"Cooking dandelion greens will help mellow out the bitterness," Frank Giglio says. This is why they're often blanched before being used in recipes. The time of year when you harvest them also matters.

Dandelion leaves are packed full of nutrients, as many as are in kale, but dandelions can grow anywhere -- in the poorest soils or in lawns. The flowers are a lovely addition to salads or soups, and ...